The designer and myself spent a lot of time playing and testing all king of games. We ended up choosing the most streamlined conversation system, with one single aim in mind : keep you involved and immersed. Never let you stop and say,

Okay, Phillipe, so if I understand correctly, if you choose the subtitles option, you can see the conversation from cut scene movies in the game as text on the bottom of the screen. However, in making conversation with a character in the course of playing the game, there are no subtitles?